20026564

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 35672000

約数和(自身を除く): 15645436

約数列:

[1, 2, 4, 139, 181, 199, 278, 362, 398, 556, 724, 796, 25159, 27661, 36019, 50318, 55322, 72038, 100636, 110644, 144076, 5006641, 10013282, 20026564]

約数ペア:

[(1, 20026564), (2, 10013282), (4, 5006641), (139, 144076), (181, 110644), (199, 100636), (278, 72038), (362, 55322), (398, 50318), (556, 36019), (724, 27661), (796, 25159)]